root f116811dda feat(search): hybrid FTS + vector with RRF + graceful Ollama fallback ...

Replaces FTS-only /api/search in place. RRF (k=60) fuses ts_rank and
pgvector cosine distance rankings. Vector branch silently skipped when
Ollama times out / errors, keeping search snappy and resilient.

Messages have no embeddings in Plan 3, so they participate in the FTS
branch only.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-06-01 03:50:33 +10:00

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